If the Security Options button is not available, Disk Utility cannot perform a secure erase on the storage device.
#HOW TO REFORMAT SEAGATE EXTERNAL HARD DRIVE FOR MAC INSTALL#
Secure erase options are available only for some types of storage devices. A popular new Seagate and LaCie brand external drive preformatted with rex is a faster way to install OS than to reformat the drive, enabling you to operate it either on Mac or Windows without needing to reformat it. (Optional) If available, click Security Options, use the slider to choose how many times to write over the erased data, then click OK. If the Scheme pop-up menu isn’t available, make sure you selected the storage device you want to erase-it’s at the top of the hierarchy.Ĭlick the Format pop-up menu, then choose a file system format. In this guide, you have 8 solutions to fix the Seagate. Ĭlick the Scheme pop-up menu, then choose GUID Partition Map. The Seagate external hard drive not working error is also known as Seagate hard drive not detected, not recognized, or not showing up. Once done, it will list out all the scanned results by file type. AnyRecover will take a moment to scan your drive. Next select the drive under 'External Removable Devices' tab, click 'Start' to begin scanning lost files on the drive.
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In the sidebar, select the storage device you want to erase, then click the Erase button. Plug the external hard drive into your Mac directly or via USB. If you want to erase any other type of storage device: Double-click Disk Utility in the /Applications/Utilities folder. Now, let’s find out about the probable causes of this issue. When it first opened up, it asked if I wanted to use it as a Time Machine backup.
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All I want is drop and drag to save files. There can be various reasons for this problem. I just got a Seagate expansion external 500 gb hard drive. At times, you will find the external hard drive option greyed out in Disk Utility. Seagate External hard drive not detected or recognized is a common problem. Note: If you want to get your Mac ready to trade in, sell, or give away, and your computer is a Mac with Apple silicon or an Intel-based Mac with an Apple T2 Security Chip, use Erase Assistant. Reasons Seagate External Hard Drive Isn’t Showing Up on Mac.